Apparatus for building iron-plate chimneys from several sections



May 3, 1932. E. HABER 1,856,384

APPARATUS FOR BUILDING IRON PLATE CHIMNEYS FROM SEVERAL SECTIONS Original Filed Dec. 27, 1927 7n uenfor:

patted May 3, 1932 PATENT OFFFCE EUGEN HABER, F BERLIN-CHARLOTTENBURG, GER-MANY APPARATUS FOR BUILDING IRON-PLATE CHIMNEYS FROM SEVERAL SECTIONS Original application filed December 27, 1927, Serial No. 242,849, and in Germany January 5, 1927. Divided and this application filed December 14, 1929.. Serial No. 414,193.

This invention relates to an apparatus for building high isolated iron-plate chimneys for modern power plants from several sec tions as set forth in my prior application 5 No. 242,849 filed December 27, 1927, now Patent No. 1,800,015 dated April 7, 1931. This application is a division of the said prior application No. 242,849. The apparatus consists of a platform, movably mounted on the go chimney in erection and serving as erecting stage, and of several'elevating devices moved together with the platform and secured on the erected portion of the chimney when said I platform is loaded by a fresh section. The

elevating device is further provided with a suspension point designed for the attachment of a load rope on which the section to be put in place is suspended. This suspension point is arranged so that it can be securely moved from the position for receiving a fresh section into the position for delivering this section, so that the erecting work can be carried out readily and rapidly.

A further advantage of the invention consists in the platform surrounding the chimney being ring-shaped and fitted with rollers, and being guided on continual longitudinal bars of the sections which have already been put in place, whereby the lifting and lowering of the platform is facilitated.

The platform is secured in the intermediate positions by means of holes or indentations in the continual longitudinal bars.

An embodiment of the invention is illustrated by way ofexample in the accompanying drawings in which:

Fig. 1 shows in side elevation the upper portion of a chimney and the platform suspended thereon.

Fig. 2 is a longitudinal section on larger scale on line IIII of Fig. 4.

Fig. 3 is a cross section on larger scale on line IIIIII of Fig. 4.

I Fig 4 shows a side elevation of a part of the upper portion of a chimney with platform in secured position and with a fresh section suspended from the jib of an elevator.

According to the invention it is possible to 59 rapidly erect chimneys higher than 100 ms,

as required for modern power plants, without any scaffolding The chimney is composed of a convenient number of sections 1, each section having an angle flange 2 on its 7 top end and on its bottom end. The flanges of every two superposed sections 1 are connected the one with the other by screw bolts 3. On the outer surface of each section 1 longitudinal bars 4 are fixed in a suitable manner, for instance by rivets, said bars 60 being preferably of the same height as the section. These longitudinal bars form guiding rails extending from the bottom to the top of the chimney designed to guide a movable I platform as will be hereinafter explained. Thelongitudinal bars serve further for reinforcing and stiffening the chimney.

The feet of the longitudinal bars 4 are cut out at the ends and the web 6 is also cut out so that they bridge the ring flange 2 which, as shown in Fig. 2, has at the point of transition like cut out portions 7. The webs of the longitudinal bars have further holes 8 for which indentations in the form of inclined slots may be substituted.

The chimney is enclosed by a ring-shaped platform 9 serving as erecting stage at the putting on of the several sections. This platform has a guard rail 10. On the lower side of the platform a number of rollers 13 with grooves 14 are arranged corresponding to the number of continuous longitudinal bars 4. On the platform links 15 are hingedly mounted, which are adapted to be secured to the bars 4 by means of pins in the corresponding holes 8 of the said bars, to lock the platform in position.

To put on a fresh chimney section, the platform is raised as shown in Fig. 1 with I the aid of a suitable apparatus, for instance a tackle, into its highest position, shown in Fig. 4, and then secured on the longitudinal bars of the chimney. With the platform a hoisting apparatus has been lifted, which has a suspension point for the load, and is adapted to be readily moved from the position for receiving the load into the position for delivering the load.

As shown in Fig. 4, this hoisting apparatus consists of a tubular mast 20, which in the 1 securing said mast to the upper section of the chimney in the lifting position, a jib slewable on the upper end of said mast, pulleys on said jib, and a load rope extending through sald tubular mast and over said pulleys, said load rope with the load describinga circle around the mast when said jib is slewed.

In testimony whereof I affix my signature.

I EUGEN HABER.

ney section in the lifted position, from which,

by slewing of the jib 22, it is moved into the position indicated in mixed line, from which position the fresh section can be lowered into the correct position on the flange of the upper section of the erected chimney. By the insertion of connecting screws 3 the fresh section is fixed on the lower section. When an accordingly constructed hoisting device is provided, the section can be brought by shifting into the delivering position.

After the fresh section has been placed on I the'erected portion of the chimney, the jib 22 'isslewed back and the mast is detached from the chimney. The platform is unlocked and lifted the height of one section. The mast is again fixed by means of clips 21 on the section which has just been put on, and another section can be hoisted up. 7 This manner of building a chimney is very simple and adapt ed to build a chimney in comparatively short time, with sufficient security for the workmen who are necessary. When the chimney is finished, the workman descend by means of the platform. As the platformremains permanently onthe chimney it can be used at any time for re-painting, repairs or for tak-v ing the-chimney to pieces. The raisingand lowering of the platform can be effected in any suitable manner, preferably mechanical and the platform may be fitted withseveral 1 hoisting devices, necessary when high, heavy chimney sections are to be used which are composed of severalelements. In this: case these several elements will be lifted by independent hoisting devices, to be united after they have been placed upon the flange of the uppermost chimney section.

The apparatus can further be used when the sections are connected the one with the other in any other manner than by angle flanges. V

I claimz An apparatus for building iron-plate chimneys from separate superposed sections with external longitudinal bars, comprising in combination a ring-shaped platform surrounding the chimney, rollers on saidringshaped platform adapted to guide said. platform on the longitudinal bars of the chimney.

sections, means adapted to be clamped on the uppermost section of the chimney for raising said platform to the next working position, a tubular mast on said platform, means for llC 

